Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2007-06-05
2007-06-05
Ryan, Patrick Joseph (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S213000, C429S218100, C427S485000, C427S486000
Reexamination Certificate
active
10479486
ABSTRACT:
The present invention relates to a method for producing a polymer/conductive carbon composite electrode comprising dehydration condensation polymerization of a tetramine derivative and a tetracarbonyl compound in the presence of an electrically conductive carbon material. The synthetized polymer comprises quinoxaline structural units such as polyphenyl quinoxaline (PPQ) and serves as an active material having proton conductivity. The composite material for electrode obtained by the method has a large capacity of inserting/releasing a proton and excellent in durability. An electrode comprising the composite material and a secondary battery comprising the electrode is excellent in safety and reliability high-speed current characteristics, has a longer life and a larger gravimetric energy density (Wh/kg).
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International Search Report for PCT/JP02/05784 dated Sep. 26, 2002.
Mizuguchi Junko
Takeuchi Masataka
Yasuda Hiroshi
Rhee Jane
Ryan Patrick Joseph
Showa Denko K.K.
Sughrue & Mion, PLLC
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